[Distribution of naturally occurring radionuclides belonging to the uranium decay series. 5. Po210 and Ra226 concentrations in drinking water and air].
D000398:Air Pollution, Radioactive / Q000032:analysis*; D007564:Japan; D011059:Polonium / Q000032:analysis*; D011883:Radium / Q000032:analysis*; D014878:Water Pollution, Radioactive / Q000032:analysis*
D011059:Polonium; D011883:Radium